Data retrieval apparatus and method



Aug. 10, 1965 R. J. KALTHOFF ETAL. 3,199,674

DATA RETRIEVAL APPARATUS AND METHOD 46 Sheets-Sheet 1 Filed Aug. 15,1961 INVENTOR Arroeueys.

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3. IN APPARATUS FOR MECHANICALLY REMOVING EDGE NOTCHED CARDS BEARING APREDETERMINED CODING FROM A PLURALITY OF DIFFERENT CARDS, A PLATEN, APLURALITY OF VERTICALLY SPACED SORTING BARS CARRIED BY SAID PLATEN,MEANS FOR SELECTIVELY EXTENDING SAID BARS OUTWARDLY FROM SAID PLATEN,SAID BARS BEING EFFECTIVE TO SHIFT CARDS NOT HAVING THE PREDETERMINEDCODING FROM THE SELECTED CARDS HAVING SAID CODING, MEANS FOR SHIFTINGSAID PLATEN RELATIVE TO CARDS IN A DIRECTION PARALLEL TO THE EXTENT OFSAID SORTING BARS, AND MEANS CARRIED BY SAID PLATENT FOR ENGAGING THESEPARATED CARDS AND WITHDRAWING SAID CARDS OUTWARDLY UPON RETRACTIVEMOVEMENT OF SAID PLATEN.